package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 执行删除操作
 */
public class Demo4 {
    public static void main(String[] args){
        try (
            //Connection接口也继承了AutoCloseable接口，因此可以使用异常的自动关闭特性
            Connection conn = DBUtil.getConnection();
        ){
            Statement statement = conn.createStatement();
            String sql = "DELETE FROM user WHERE id=1";
            int num = statement.executeUpdate(sql);
            System.out.println(num>0?"删除成功":"删除失败");
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}








